MST to UTC converter

Mountain Time (MST) is UTC−7 and observes daylight saving (MDT, UTC−6, roughly March–November). It covers Denver, Salt Lake City and Calgary.

Coordinated Universal Time (UTC) is UTC+0 with no daylight saving. It covers the global reference used in aviation, computing and science.

Coordinated Universal Time is typically 7 hours ahead of Mountain Time, though daylight saving can shift the difference by an hour at some times of year.

Best time to call Coordinated Universal Time from Mountain Time

Office hours overlap for about 1 hour a day: 9:00 AM–10:00 AM in Mountain Time is 4:00 PM–5:00 PM in Coordinated Universal Time. Book calls inside this window and nobody is out of hours. Daylight saving can shift these times by an hour at some points in the year.